Pipeline Corrosion Prevention Methods for Oil and Natural Gas Lines

 In Damage Prevention of Utilities

Pipeline explosions over the years have alerted us to the consequence of pipeline corrosion. As a distributor of pipeline corrosion prevention products, I wanted to discuss successful corrosion prevention methods.

Successful methods to prevent corrosion in pipelines

Unprotected pipelines corrode, whether buried, aboveground, or in water. Without implementing safety measures and having a corrosion control program, corrosion makes transporting hazardous material unsafe.

A successful corrosion control program is a never-ending practice. It begins with an efficient design and installation of the pipeline, executing corrosion control methods, and maintaining and monitoring the lines. Here are some of the techniques NACE (National Association of Corrosion Engineers) recommends as part of a successful corrosion control program to protect oil and gas pipelines. Except for the last method, three of the four can be used on existing pipelines.

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Cathodic Protection

Cathodic protection (CP) is a method to control corrosion by using a direct electrical current which neutralizes external corrosion typically associated with a metal pipe. It is generally used when a pipeline is buried underground or in water. When executed on a new pipeline, cathodic protection can prevent corrosion from the start. On an older pipeline, cathodic protection can impede existing corrosion of the line.

Coatings and Linings

gas pipeline corrosion prevention

Coatings and linings applied to pipelines, whether above or below ground and often used in combination with cathodic protection. The Trenton Corporation produces efficient, long-lasting anti-corrosion materials, including Wax-Tape™ wraps, primers, outer wraps, and hot-applied coatings. Fiber-reinforced polymers may also strengthen and repair pipes.

Corrosion Inhibitors

Corrosion inhibitors are compounds added to the upstream pipeline to inhibit the corrosion of carbon and low-alloy steel pipe.

Pipeline Material

Pipeline material used will also significantly influence corrosion. Using materials like plastic, stainless steel, or special alloys enhances the lifetime of the pipeline, while steel or steel-reinforced concrete is subject to corrosion.

Linc Energy Systems is a distributor of Trenton Corporation’s anti-corrosion products. If you need assistance with your projects, submit a “request a quote” now.

 

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Showing 5 comments
  • Avatar
    Linda B.
    Reply

    I was shocked to learn that an oil pipeline’s thickness is only 1/4″ to 1/2″. Considering that the pipes are made of carbon steel and iron, both of which rust like crazy, this seems unacceptable. If we can put a man on the moon, we can find a way to make safe oil pipelines.

  • Avatar
    corrosion inhibitor factory
    Reply

    Very good!I like this article,Please pay attention to our corrosion inhibitor factory.

  • Avatar
    Lusmari Fuentes López
    Reply

    Dear Susan, I would like to consult you with the following situation. I work at an oil industry, and we have some steel pipes which are not well preserved and will remain stored for at least a year. Our industry is located near the sea so it is urgent for us to apply the necessary anti-corrosive product ASAP. Please help us if possible. Thanks in advance for you assistance

  • Natural Gas Odorization
    Natural Gas Odorization
    Reply

    Lusmari the best way to handle this request is to email us at info@lincenergysystems.com.

  • Avatar
    WS
    Reply

    Insulation tape wrapping above-ground LPG flanges I understand is not the recommended practice, due to potential for corrosion underneath which could go unobserved. Agree? Is this specified in any standard or guideline?

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